var AllContentType = {
    ".tif":"image/tiff",
	".001":"application/x-001",
	".301":"application/x-301",
	".323":"text/h323",
	".906":"application/x-906",
	".907":"drawing/907",
	".a11":"application/x-a11",
	".acp":"audio/x-mei-aac",
	".ai":"application/postscript",
	".aif":"audio/aiff",
	".aifc":"audio/aiff",
	".aiff":"audio/aiff",
	".anv":"application/x-anv",
	".asa":"text/asa",
	".asf":"video/x-ms-asf",
	".asp":"text/asp",
	".asx":"video/x-ms-asf",
	".au":"audio/basic",
	".avi":"video/avi",
	".awf":"application/vnd.adobe.workflow",
	".biz":"text/xml",
	".bmp":"application/x-bmp",
	".bot":"application/x-bot",
	".c4t":"application/x-c4t",
	".c90":"application/x-c90",
	".cal":"application/x-cals",
	".cat":"application/vnd.ms-pki.seccat",
	".cdf":"application/x-netcdf",
	".cdr":"application/x-cdr",
	".cel":"application/x-cel",
	".cer":"application/x-x509-ca-cert",
	".cg4":"application/x-g4",
	".cgm":"application/x-cgm",
	".cit":"application/x-cit",
	".class":"java/*",
	".cml":"text/xml",
	".cmp":"application/x-cmp",
	".cmx":"application/x-cmx",
	".cot":"application/x-cot",
	".crl":"application/pkix-crl",
	".crt":"application/x-x509-ca-cert",
	".csi":"application/x-csi",
	".css":"text/css",
	".cut":"application/x-cut",
	".dbf":"application/x-dbf",
	".dbm":"application/x-dbm",
	".dbx":"application/x-dbx",
	".dcd":"text/xml",
	".dcx":"application/x-dcx",
	".der":"application/x-x509-ca-cert",
	".dgn":"application/x-dgn",
	".dib":"application/x-dib",
	".dll":"application/x-msdownload",
	".doc":"application/msword",
	".dot":"application/msword",
	".drw":"application/x-drw",
	".dtd":"text/xml",
	".dwf":"Model/vnd.dwf",
	".dwg":"application/x-dwg",
	".dxb":"application/x-dxb",
	".dxf":"application/x-dxf",
	".edn":"application/vnd.adobe.edn",
	".emf":"application/x-emf",
	".eml":"message/rfc822",
	".ent":"text/xml",
	".epi":"application/x-epi",
	".eps":"application/postscript",
	".etd":"application/x-ebx",
	".exe":"application/x-msdownload",
	".fax":"image/fax",
	".fdf":"application/vnd.fdf",
	".fif":"application/fractals",
	".fo":"text/xml",
	".frm":"application/x-frm",
	".g4":"application/x-g4",
	".gbr":"application/x-gbr",
	".gif":"image/gif",
	".gl2":"application/x-gl2",
	".gp4":"application/x-gp4",
	".hgl":"application/x-hgl",
	".hmr":"application/x-hmr",
	".hpg":"application/x-hpgl",
	".hpl":"application/x-hpl",
	".hqx":"application/mac-binhex40",
	".hrf":"application/x-hrf",
	".hta":"application/hta",
	".htc":"text/x-component",
	".htm":"text/html",
	".html":"text/html",
	".htt":"text/webviewhtml",
	".htx":"text/html",
	".icb":"application/x-icb",
	".ico":"image/x-icon",
	".iff":"application/x-iff",
	".ig4":"application/x-g4",
	".igs":"application/x-igs",
	".iii":"application/x-iphone",
	".img":"application/x-img",
	".ins":"application/x-internet-signup",
	".isp":"application/x-internet-signup",
	".IVF":"video/x-ivf",
	".java":"java/*",
	".jfif":"image/jpeg",
	".jpe":"image/jpeg",
	".jpeg":"image/jpeg",
	".jpg":"image/jpeg",
	".js":"application/x-javascript",
	".jsp":"text/html",
	".la1":"audio/x-liquid-file",
	".lar":"application/x-laplayer-reg",
	".latex":"application/x-latex",
	".lavs":"audio/x-liquid-secure",
	".lbm":"application/x-lbm",
	".lmsff":"audio/x-la-lms",
	".ls":"application/x-javascript",
	".ltr":"application/x-ltr",
	".m1v":"video/x-mpeg",
	".m2v":"video/x-mpeg",
	".m3u":"audio/mpegurl",
	".m4e":"video/mpeg4",
	".mac":"application/x-mac",
	".man":"application/x-troff-man",
	".math":"text/xml",
	".mdb":"application/msaccess",
	".mfp":"application/x-shockwave-flash",
	".mht":"message/rfc822",
	".mhtml":"message/rfc822",
	".mi":"application/x-mi",
	".mid":"audio/mid",
	".midi":"audio/mid",
	".mil":"application/x-mil",
	".mml":"text/xml",
	".mnd":"audio/x-musicnet-download",
	".mns":"audio/x-musicnet-stream",
	".mocha":"application/x-javascript",
	".movie":"video/x-sgi-movie",
	".mp1":"audio/mp1",
	".mp2":"audio/mp2",
	".mp2v":"video/mpeg",
	".mp3":"audio/mp3",
	".mp4":"video/mpeg4",
	".mpa":"video/x-mpg",
	".mpd":"application/vnd.ms-project",
	".mpe":"video/x-mpeg",
	".mpeg":"video/mpg",
	".mpg":"video/mpg",
	".mpga":"audio/rn-mpeg",
	".mpp":"application/vnd.ms-project",
	".mps":"video/x-mpeg",
	".mpt":"application/vnd.ms-project",
	".mpv":"video/mpg",
	".mpv2":"video/mpeg",
	".mpw":"application/vnd.ms-project",
	".mpx":"application/vnd.ms-project",
	".mtx":"text/xml",
	".mxp":"application/x-mmxp",
	".net":"image/pnetvue",
	".nrf":"application/x-nrf",
	".nws":"message/rfc822",
	".odc":"text/x-ms-odc",
	".out":"application/x-out",
	".p10":"application/pkcs10",
	".p12":"application/x-pkcs12",
	".p7b":"application/x-pkcs7-certificates",
	".p7c":"application/pkcs7-mime",
	".p7m":"application/pkcs7-mime",
	".p7r":"application/x-pkcs7-certreqresp",
	".p7s":"application/pkcs7-signature",
	".pc5":"application/x-pc5",
	".pci":"application/x-pci",
	".pcl":"application/x-pcl",
	".pcx":"application/x-pcx",
	".pdf":"application/pdf",
	".pdx":"application/vnd.adobe.pdx",
	".pfx":"application/x-pkcs12",
	".pgl":"application/x-pgl",
	".pic":"application/x-pic",
	".pko":"application/vnd.ms-pki.pko",
	".pl":"application/x-perl",
	".plg":"text/html",
	".pls":"audio/scpls",
	".plt":"application/x-plt",
	".png":"image/png",
	".pot":"application/vnd.ms-powerpoint",
	".ppa":"application/vnd.ms-powerpoint",
	".ppm":"application/x-ppm",
	".pps":"application/vnd.ms-powerpoint",
	".ppt":"application/vnd.ms-powerpoint",
	".pr":"application/x-pr",
	".prf":"application/pics-rules",
	".prn":"application/x-prn",
	".prt":"application/x-prt",
	".ps":"application/postscript",
	".ptn":"application/x-ptn",
	".pwz":"application/vnd.ms-powerpoint",
	".r3t":"text/vnd.rn-realtext3d",
	".ra":"audio/vnd.rn-realaudio",
	".ram":"audio/x-pn-realaudio",
	".ras":"application/x-ras",
	".rat":"application/rat-file",
	".rdf":"text/xml",
	".rec":"application/vnd.rn-recording",
	".red":"application/x-red",
	".rgb":"application/x-rgb",
	".rjs":"application/vnd.rn-realsystem-rjs",
	".rjt":"application/vnd.rn-realsystem-rjt",
	".rlc":"application/x-rlc",
	".rle":"application/x-rle",
	".rm":"application/vnd.rn-realmedia",
	".rmf":"application/vnd.adobe.rmf",
	".rmi":"audio/mid",
	".rmj":"application/vnd.rn-realsystem-rmj",
	".rmm":"audio/x-pn-realaudio",
	".rmp":"application/vnd.rn-rn_music_package",
	".rms":"application/vnd.rn-realmedia-secure",
	".rmvb":"application/vnd.rn-realmedia-vbr",
	".rmx":"application/vnd.rn-realsystem-rmx",
	".rnx":"application/vnd.rn-realplayer",
	".rp":"image/vnd.rn-realpix",
	".rpm":"audio/x-pn-realaudio-plugin",
	".rsml":"application/vnd.rn-rsml",
	".rt":"text/vnd.rn-realtext",
	".rtf":"application/x-rtf",
	".rv":"video/vnd.rn-realvideo",
	".sam":"application/x-sam",
	".sat":"application/x-sat",
	".sdp":"application/sdp",
	".sdw":"application/x-sdw",
	".sit":"application/x-stuffit",
	".slb":"application/x-slb",
	".sld":"application/x-sld",
	".slk":"drawing/x-slk",
	".smi":"application/smil",
	".smil":"application/smil",
	".smk":"application/x-smk",
	".snd":"audio/basic",
	".sol":"text/plain",
	".sor":"text/plain",
	".spc":"application/x-pkcs7-certificates",
	".spl":"application/futuresplash",
	".spp":"text/xml",
	".ssm":"application/streamingmedia",
	".sst":"application/vnd.ms-pki.certstore",
	".stl":"application/vnd.ms-pki.stl",
	".stm":"text/html",
	".sty":"application/x-sty",
	".svg":"text/xml",
	".swf":"application/x-shockwave-flash",
	".tdf":"application/x-tdf",
	".tg4":"application/x-tg4",
	".tga":"application/x-tga",
	".tiff":"image/tiff",
	".tld":"text/xml",
	".top":"drawing/x-top",
	".torrent":"application/x-bittorrent",
	".tsd":"text/xml",
	".txt":"text/plain",
	".uin":"application/x-icq",
	".uls":"text/iuls",
	".vcf":"text/x-vcard",
	".vda":"application/x-vda",
	".vdx":"application/vnd.visio",
	".vml":"text/xml",
	".vpg":"application/x-vpeg005",
	".vsd":"application/vnd.visio",
	".vss":"application/vnd.visio",
	".vst":"application/x-vst",
	".vsw":"application/vnd.visio",
	".vsx":"application/vnd.visio",
	".vtx":"application/vnd.visio",
	".vxml":"text/xml",
	".wav":"audio/wav",
	".wax":"audio/x-ms-wax",
	".wb1":"application/x-wb1",
	".wb2":"application/x-wb2",
	".wb3":"application/x-wb3",
	".wbmp":"image/vnd.wap.wbmp",
	".wiz":"application/msword",
	".wk3":"application/x-wk3",
	".wk4":"application/x-wk4",
	".wkq":"application/x-wkq",
	".wks":"application/x-wks",
	".wm":"video/x-ms-wm",
	".wma":"audio/x-ms-wma",
	".wmd":"application/x-ms-wmd",
	".wmf":"application/x-wmf",
	".wml":"text/vnd.wap.wml",
	".wmv":"video/x-ms-wmv",
	".wmx":"video/x-ms-wmx",
	".wmz":"application/x-ms-wmz",
	".wp6":"application/x-wp6",
	".wpd":"application/x-wpd",
	".wpg":"application/x-wpg",
	".wpl":"application/vnd.ms-wpl",
	".wq1":"application/x-wq1",
	".wr1":"application/x-wr1",
	".wri":"application/x-wri",
	".wrk":"application/x-wrk",
	".ws":"application/x-ws",
	".ws2":"application/x-ws",
	".wsc":"text/scriptlet",
	".wsdl":"text/xml",
	".wvx":"video/x-ms-wvx",
	".xdp":"application/vnd.adobe.xdp",
	".xdr":"text/xml",
	".xfd":"application/vnd.adobe.xfd",
	".xfdf":"application/vnd.adobe.xfdf",
	".xhtml":"text/html",
	".xls":"application/x-xls",
	".xlw":"application/x-xlw",
	".xml":"text/xml",
	".xpl":"audio/scpls",
	".xq":"text/xml",
	".xql":"text/xml",
	".xquery":"text/xml",
	".xsd":"text/xml",
	".xsl":"text/xml",
	".xslt":"text/xml",
	".xwd":"application/x-xwd",
	".x_b":"application/x-x_b",
	".sis":"application/vnd.symbian.install",
	".sisx":"application/vnd.symbian.install",
	".x_t":"application/x-x_t",
	".ipa":"application/vnd.iphone",
	".apk":"application/vnd.android.package-archive",
	".xap":"application/x-silverlight-app"
}

const ContentType = {
    getContentType: function(ext){
        var content_type = AllContentType[ext]
        if(content_type)
        {
            return content_type
        }
        else
        {
            return "text/plain"
        }
    }
}
module.exports = ContentType;